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Boric acid, molecular biology grade

- Synonyms: Orthoboric acidr- H3BO3r- M = 61,84 g/molr- CAS [10043-35-3]r- EINECS-No.: 233-139-2r- Solub. in water: (20 ºC): 46,5 g/lr- Melting point: 185 ºC (decomposes)r- Vapour pressure: (20 ºC) 2,7 hPar- LD 50 (oral, rat): 2660 mg/kgr- EC-Index-No.: 005-007-00-2r- GHS-signal word: Dangerr- GHS-H sentences: H360FDr- GHS-P sentences: P261 - P280 - P304+P340 - P312 - P405 - P501ar- Tariff number: 2810 00 90 00r- Applications: in building materials, in porcelain industry, cosmetics, manufacture of dyes, photography, analytical chemistry.rrSPECIFICATIONSrassay (acidimetric): min. 99,5 %ridentity (IR-spectrum): passes testrr0,05 M in a 1 cm cell at 260 nm: max. 0,01 AUrr0,05 M in a 1 cm cell at 280 nm: max. 0,01 AUrheavy metals (as Pb): max. 0,001 %rDNases, RNases, Proteases : non detectedr